      /************************整体样式********************** */
      * {
        margin: 0;
        padding: 0;
      }
      ul {
        list-style: none;
      }
      /* 版心设置 */
      .center {
        width: 980px;
        margin: 0 auto;
        font-size: 17px;
      }
      body {
        background-color: #fff;
        font-family: ".萍方-简";
        overflow-x: hidden;
      }
      a,
      button {
        cursor: pointer;
      }
      a {
        text-decoration: none;
        color: #2997ff;
        font-size: 17px;
      }
      a:hover {
        text-decoration: underline;
      }

      /* *****************一楼样式设置********************* */
      .f1 {
        background-color: rgba(255, 255, 255, 0.7);
        border-bottom: 1px solid #cececf;
        position: fixed;
        top: 44px;
        right: 0;
        left: 0;
        z-index: 990;        
      }
      .f1.scroll {
        position: fixed;
        top: 0px;
        right: 0;
        left: 0;
      }
      .f1 .box {
        background-color: rgba(255, 255, 255, 0.7);
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 21px;
        font-weight: 600;
        height: 48px;
      }
      /* *******************二楼样式设置****************************** */
      .f2 {
        background-color: #f5f5f7;
        margin-top: 44px;
      }
      .f2 .box {
        padding: 16px 0;
      }
      .f2 .box p {
        text-align: center;
        font-size: 14px;
        font-weight: 400;
      }
      /* ********************三楼样式设置********************** */
      /****************三楼左边部分*****************************/
      .f3 {
        margin-bottom: 100px;
      }
      .f3 .box {
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        border-bottom: 2px solid #d2d2d7;
        padding-bottom: 80px;
      }
      .f3 .box .box1 {
        margin-top: 30px;
        width: 490px;
      }
      .f3 .box .box1.scroll{
        position: fixed;
        top:-20px
      }
      .f3 .box .box1.scroll1{
        position: absolute ;
        left: 0;
        bottom: 100px;
      }
      .f3 .box .box1 .box1-1 {
        width: 470px;
        height: 556px;
        margin-bottom: 60px;
      }
      .f3 .box .box1 img {
        width: 470px;
        height: 556px;
        display: block;
      }
      .f3 .box .box1 .box1-2 {
        display: flex;
        justify-content: center;
      }
      .f3 .box .box1 .box1-2 div {
        width: 163.33px;
        text-align: center;
        font-size: 12px;
        font-weight: 600;
      }
      /* *******************三楼右边样式设置********************************* */
      /* 标题统一样式 */
      .title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 15px;
      }
      .hidden{
        display: none !important;
      }
      .title:hover>p{
        color: #0071e3; 
      }
      .title:hover{
        cursor: pointer;
      }
      .title p {
        font-size: 24px;
        font-weight: 600;
      }
      .title a {
        font-size: 14px;
        font-weight: 400;
      }
      .pointer:hover {
        cursor: pointer;
      }
      .f3 .box .box2 {
        box-sizing: border-box;
        padding-left: 82px;
        width: 490px;
        position: absolute;
        right: 0;
        top:0;
      }
      .f3 .box .box2 .text1 {
        width: 380px;
        font-size: 10px;
        background-color: #f5f5f7;
        height: 60px;
        border-radius: 18px;
        padding: 0 14px;
        display: flex;
        flex-direction: column;
        align-content: flex-start;
        justify-content: center;
        margin: 20px 0;
      }
      /******************************大标题部分**************************/
      .f3 .box .box2 .box2-1 {
        margin-top: 40px;
        margin-bottom: 25px;
      }
      .f3 .box .box2 .box2-1 h2 {
        font-size: 40px;
        font-weight: 600;
      }
      .f3 .box .box2 .active {
        border: 2px solid #0071e3 !important;
      }
      /* *****************外观部分********************* */
      .f3 .box .box2 .box2-2 {
        padding: 15px 0;
        border-bottom: 1px solid #d2d2d7;
        margin-bottom: 20px;
      }
      .f3 .box .box2 .box2-2 .box2-2-1 {
        display: flex;
        justify-content: space-between;
        align-content: space-between;
        flex-wrap: wrap;
        margin: 20px 0;
        height: 220px;
      }
      .f3 .box .box2 .box2-2 .box2-2-1 div {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 193px;
        height: 99px;
        border: 2px solid #d2d2d7;
        border-radius: 18px;
      }
       .f3 .box .box2 .box2-2 .box2-2-1 div:hover{
        border: 2px solid #86868b;
       } 
      .f3 .box .box2 .box2-2 .box2-2-1 img {
        width: 32px;
        display: block;
        margin-bottom: 7px;
      }
      /* 存储部分 */
      .f3 .box .box2 .box2-3 {
        border-bottom: 1px solid #d2d2d7;
        padding: 15px 0;
        margin-bottom: 30px;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 {
        display: flex;
        justify-content: space-between;
        margin: 20px 0;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 > div {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 193px;
        height: 99px;
        border: 2px solid #d2d2d7;
        border-radius: 18px;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 > div:hover{
        border: 2px solid #86868b;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 .text {
        font-weight: 600;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 .text span:nth-child(1) {
        font-size: 29px;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 .text span:nth-child(2) {
        font-size: 19px;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 .text sup {
        font-size: 10px;
      }
      .f3 .box .box2 .box2-3 .box2-3-2 > div p {
        font-size: 12px;
      }

      /* ************连接样式**************** */
      .f3 .box .box2 .box2-4 {
        border-bottom: 1px solid #d2d2d7;
        padding: 15px 0;
        margin-bottom: 30px;
      }
      .f3 .box .box2 .box2-4 .box2-4-1 {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        margin: 20px 0;
      }
      .f3 .box .box2 .box2-4 .box2-4-1 > div {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 193px;
        height: 99px;
        border: 2px solid #d2d2d7;
        border-radius: 18px;
      }
      .f3 .box .box2 .box2-4 .box2-4-1 > div:hover{
        border: 2px solid #86868b;
      }
      
      .f3 .box .box2 .box2-4 .box2-4-1 > div h4 {
        font-size: 17px;
      }
      .f3 .box .box2 .box2-4 .box2-4-1 > div p {
        font-size: 12px;
      }
      /* ************右边购买添加购物袋页面样式******************** */
      .f3 .box .box2 .box2-5 {
        background-color: #fbfbfd;
        padding: 30px;
        margin-top: 30px;
      }
      .f3 .box .box2 .box2-5 .box2-5-1 {
        padding-bottom: 30px;
        border-bottom: 1px solid #d2d2d7;
      }
      .f3 .box .box2 .box2-5 .box2-5-1 p {
        font-size: 14px;
      }
      .f3 .box .box2 .box2-5 .box2-5-1 p:nth-child(2) {
        padding: 16px 0;
        font-size: 17px;
      }
      .f3 .box .box2 .box2-5 .box2-5-1 p:nth-child(4) {
        padding: 16px 0;
      }
      .f3 .box .box2 .box2-5 .box2-5-2 {
        padding: 30px 0;
        border-bottom: 1px solid #d2d2d7;
      }
      .f3 .box .box2 .box2-5 .box2-5-2 > div {
        display: flex;
        justify-content: flex-start;
        padding-top: 20px;
      }
      .f3 .box .box2 .box2-5 .box2-5-2 > div > div {
        padding-top: 5px;
        padding-left: 10px;
        font-size: 14px;
      }
      .f3 .box .box2 .box2-5 .box2-5-2 img {
        display: block;
        width: 35px;
        height: 35px;
      }
      .f3 .box .box2 .box2-5 .box2-5-2 a {
        font-size: 14px;
      }
      .f3 .box .box2 .box2-5 button {
        width: 350px;
        height: 36px;
        background-color: #0071e3;
        opacity: 0.4;
        font-size: 17px;
        color: #fff;
        border: none;
        border-radius: 10px;
      }
      .f3 .box .box2 .box2-5 button.opac{
        opacity: 1;
      }
      /* ********************四楼样式*************** */
      .f4 .center .box {
        text-align: center;
      }
      .f4 .center .box h2 {
        font-size: 40px;
      }
      .f4 .center .box .box1 {
        display: flex;
        justify-content: center;
        margin-top: 50px;
      }
      .f4 .center .box .box1 div > div {
        width: 250px;
        background-color: #fafafa;
        margin-bottom: 30px;
      }
      .f4 .center .box .box1 div .box1-1 {
        width: 480px;
      }
      .f4 .center .box .box1 p {
        font-size: 14px;
      }
      /* *****************************5楼样式******************************** */

      .f5 .center .f5-1 {
        width: 940px;
        margin: 0 auto;
        box-sizing: border-box;
        padding-top: 115px;
        text-align: center;
        padding-bottom: 105px;
      }
      .f5 .center .box1 {
        margin: 0 auto;
        max-width: 940px;
        font-size: 40px;
        font-weight: 600;
      }
      .f5 .center .box3 a:nth-child(1) {
        padding-right: 20px;
      }
      .f5 .center .box3 a {
        font-size: 21px;
      }